Endometriosis Is Associated with Increased Serum and Peritoneal Fluid Concentrations of Chromogranin A and Its Derivatives. - Sztokfisz-Ignasiak, Alicja; Owe-Larsson, Maja; Maj, Maciej; Rytel, Hubert; Shevchenko, Kateryna; Dąbrowski, Filip; Laudański, Piotr; Pater, Mikołaj; Janiuk, Izabela Róża; Malejczyk, Jacek (Journal of Clinical Medicine, 2026)